2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 524
2. Check that water is not inside connectors.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness connector.
3.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch ON.
2. Check the voltage between EVAP control system pressure sensor harness connector and ground.
Is the inspection result normal?
YES - GO TO 10.
NO - GO TO 4.
4.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors B171, B469
- Harness connectors B418, M66
- Harness for open between ECM and EVAP control system pressure sensor
- Repair open circuit.
6.CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES - GO TO 7.
NO - Repair short to ground or short to power in harness or connectors.
